Southside / Santa Ana Valley Loop HLK010, 21.6 miles, 904.feet of climbing GO TOTAL TURN ROAD NAME START AT NASH RD. 0.0 R SOUTHSIDE RD. 7.3 7.3 R HIGHWAY 25 0.1 7.4 X TRES PINOS 0.3 7.7 L QUIEN SABE RD. 3.4 11.0 L SANTA ANA VALLEY RD. 7.5 18.5 L FAIRVIEW RD. 1.5 20.0 R SUNNYSLOPE RD. 1.5 21.5 S NASH RD. 0.1 21.6 END SOUTHSIDE RD. R=Right, L=Left, X=Cross, U=Uturn, S=straight